785079040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 2015465760

約数和(自身を除く): 1230386720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 109, 128, 136, 160, 170, 218, 256, 272, 320, 331, 340, 436, 544, 545, 640, 662, 680, 872, 1088, 1090, 1280, 1324, 1360, 1655, 1744, 1853, 2176, 2180, 2648, 2720, 3310, 3488, 3706, 4352, 4360, 5296, 5440, 5627, 6620, 6976, 7412, 8720, 9265, 10592, 10880, 11254, 13240, 13952, 14824, 17440, 18530, 21184, 21760, 22508, 26480, 27904, 28135, 29648, 34880, 36079, 37060, 42368, 45016, 52960, 56270, 59296, 69760, 72158, 74120, 84736, 90032, 105920, 112540, 118592, 139520, 144316, 148240, 180064, 180395, 211840, 225080, 237184, 288632, 296480, 360128, 360790, 423680, 450160, 474368, 577264, 592960, 613343, 720256, 721580, 900320, 1154528, 1185920, 1226686, 1440512, 1443160, 1800640, 2309056, 2371840, 2453372, 2886320, 3066715, 3601280, 4618112, 4906744, 5772640, 6133430, 7202560, 9236224, 9813488, 11545280, 12266860, 19626976, 23090560, 24533720, 39253952, 46181120, 49067440, 78507904, 98134880, 157015808, 196269760, 392539520, 785079040]

約数ペア:

[(1, 785079040), (2, 392539520), (4, 196269760), (5, 157015808), (8, 98134880), (10, 78507904), (16, 49067440), (17, 46181120), (20, 39253952), (32, 24533720), (34, 23090560), (40, 19626976), (64, 12266860), (68, 11545280), (80, 9813488), (85, 9236224), (109, 7202560), (128, 6133430), (136, 5772640), (160, 4906744), (170, 4618112), (218, 3601280), (256, 3066715), (272, 2886320), (320, 2453372), (331, 2371840), (340, 2309056), (436, 1800640), (544, 1443160), (545, 1440512), (640, 1226686), (662, 1185920), (680, 1154528), (872, 900320), (1088, 721580), (1090, 720256), (1280, 613343), (1324, 592960), (1360, 577264), (1655, 474368), (1744, 450160), (1853, 423680), (2176, 360790), (2180, 360128), (2648, 296480), (2720, 288632), (3310, 237184), (3488, 225080), (3706, 211840), (4352, 180395), (4360, 180064), (5296, 148240), (5440, 144316), (5627, 139520), (6620, 118592), (6976, 112540), (7412, 105920), (8720, 90032), (9265, 84736), (10592, 74120), (10880, 72158), (11254, 69760), (13240, 59296), (13952, 56270), (14824, 52960), (17440, 45016), (18530, 42368), (21184, 37060), (21760, 36079), (22508, 34880), (26480, 29648), (27904, 28135)]